branch master updated (2316078 -> e01e2c6)

[???]

iyzsong pushed a change to branch master
in repository guix.

      from  2316078   gnu: Add emacs-emms-mode-line-cycle.
       new  e01e2c6   gnu: services: Add git-service.

The 1 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
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Summary of changes:
 doc/guix.texi                    |   61 +++++++++++++++++
 gnu/local.mk                     |    1 +
 gnu/services/version-control.scm |  141 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 203 insertions(+)
 create mode 100644 gnu/services/version-control.scm